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Finding the Fourth Proportional to 48,906.06, 67,490.01 and 27,685.14

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Solution

The fourth proportional to 48,906.06, 67,490.01 and 27,685.14 is: 38,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,906.06 : 67,490.01 = 27,685.14 : x
  2. Step 2: Convert to fraction form
    48,906.06/67,490.01 = 27,685.14/x
  3. Step 3: Cross multiply
    48,906.06x = 67,490.01 × 27,685.14
  4. Step 4: Simplify right side
    48,906.06x = 1,868,470,375.45
  5. Step 5: Solve for x
    x = 1,868,470,375.45/48,906.06
  6. Step 6: Final answer
    x = 38,205.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.